function validate_form ( )
{
    valid = true;

    if ( document.addMain.author.value == "SelectOne" )
    {
        alert ( "Please select an Author" );
        valid = false;
    }   

	    if ( document.addMain.source_.value == "SelectOne" )
    {
        alert ( "Please select a Source" );
        valid = false;
    }   
	    if ( document.addMain.primary_tag.value == "SelectOne" )
    {
        alert ( "Please add a Primary Tag" );
        valid = false;
    }   
		if ( document.addMain.secondary_tag.value == "SelectOne" )
    {
        alert ( "Please add a Secondary Tag" );
        valid = false;
    }   
		if ( document.addMain.tertiary_tag.value == "SelectOne" )
    {
        alert ( "Please add a Tertiary Tag" );
        valid = false;
    }   
		if ( document.addMain.headline.value == "" )
    {
        alert ( "Please add a Headline" );
        valid = false;
    } 
		if ( document.addMain.blurb.value == "" )
    {
        alert ( "Please add a Description" );
        valid = false;
    } 
		if ( document.addMain.excerpt.value == "" )
    {
        alert ( "Please add a Excerpt" );
        valid = false;
    } 
		if ( document.addMain.artical.value == "" )
    {
        alert ( "Please add an Article" );
        valid = false;
    } 
		if ( document.addMain.attribution.value == "SelectOne" )
    {
        alert ( "Please add an Attribution" );
        valid = false;
    }   
		if ( document.addMain.image.value == "" )
    {
        alert ( "Please add an Image" );
        valid = false;
    }  
	    if ( document.addMain.img_desc.value == "" )
    {
        alert ( "Please add an Image Description" );
        valid = false;
    }  
    return valid;
}